Fitting Scotland Perfectly

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New Windows St Marys

Quality Energy Efficient Double Glazed Windows & Doors
USP - Bubble - Zero Deposit 2
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Up To 5 Years Interest Free
USP - Bubble - 15 Years

Customer Installations

We’ve installed thousands of windows over the last 34 years, take a look at what we have installed more recently.

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Double Glazing Glasgow
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Casement vs Tilt and Turn Windows
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Double glazing top hung window in Edinburgh
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Top hung double glazing on Stirlingshire home
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Double Glazing for New Builds Scotland

A shift in temperature inside the home. Increasing energy bills. Condensation collecting on or inside the windows each morning. Ring any bells?

Does that ring true? Your windows are letting you know something’s.

The seal on older windows breaks down over time.

The gas between the panes slowly seeps out, the rubber gaskets stiffen and pull back, and what once blocked the cold out now scarcely slows it down.

Living in St Marys, you get that rain and wind sometimes outweigh the sunny days, and ageing windows make a real difference to how warm and snug your home feels.

Over 38 years in the business, and The Advanced Group is still here, on hand to support you. Whether it’s one room or the whole house that is due new windows and doors, we’ll find the right fit and get everything fitted properly.

Window Replacement

Could Your Windows Need Replacing?

Some issues are clear. Cracked glass, rotten timber frames, handles that don’t lock correctly.

But other symptoms are less obvious, and by the time you notice them, they’ve already been costing you money for months, sometimes even years.

Condensation Inside Double Glazing

Condensation Between Your Window Panes

Moisture or fogging between the two sheets of glass? The sealed unit has gone.

Once the seal has broken, the argon gas that delivers insulation escapes, and the window loses a substantial amount of its thermal performance.

Climbing heating costs don’t have to drain your wallet. Bring back your home’s thermal performance with perfectly sealed new windows.

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Draughts and Cold Spots

Try a quick test: put your hand near the edges of the window on a windy day. If cold air is getting through, the seals have broken down.

Draught proofing strips can help in the short term, but they’re a sticking plaster on a problem that will only deteriorate as the rubber continues to perish.

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Difficulty Closing Your Windows

Windows that catch, jam, or won’t close correctly are a security risk as well as an insulation issue. Warped frames, worn hinges, and failed mechanisms all indicate the window has reached the end of its working life.

Modern windows feature multi-point locking systems that are much more safe than the single-point catches on older windows. Options like toughened glass give extra security too.

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Climbing Energy Bills

Did you know that windows account for a considerable proportion of heat loss in any house? They’re the bridge between your house and the outside elements.

Your old double glazing? It’s had its day! The energy ratings are way below what’s on offer today, even if the original specification was good when first installed.

Protect your home from high energy bills. New double glazed windows and doors create the difference.

Advanced Group's range of double glazed windows in Showroom

Types of Windows We Install in St Marys

No two St Marys homes are the same, and the ideal window choice depends on the property, the room, and how you live in it.

The Advanced Group supplies and fits a full selection of windows and doors in both double glazed and triple glazed options, including uPVC triple and double and triple glazed casement, sash, tilt and turn, and top hung types.

Sash windows vs Casement Windows

Classic Casement Windows

Casement windows are likely the most widely chosen window style in the UK. They’re side-hinged and open outwards, making them practical for ventilation and simple to clean from inside.

They fit most kinds of property, from modern builds to traditional properties, and are available in a wide range of colours and finishes. Woodgrain effects mimic the look of timber without the maintenance or risk of warping.

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Traditional Sliding Sash Windows

Our sliding sash windows replicate the look of original wooden sash frames while providing modern thermal performance and protection.

The proportions, sight lines, and opening mechanism are all designed to mirror the traditional style, which is especially valuable if your property is in a conservation area or you wish to preserve its charm.

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Tilt and Turn Windows

These windows tilt inward at the top for safe ventilation and turn completely inward on a side hinge for easy cleaning.

They’re particularly common in upper-floor flats, where getting up a ladder to clean the outside of the glass isn’t feasible.

Airflow without the security concern of a fully open window. That’s what the tilt function gives, and it’s especially valuable for families with young children.

Top Hung Windows

Top Hung Window Style

Hinged at the top, opening outward from the bottom. Sensible for ventilation and great at keeping rain out.

You’ll see top hung windows in bathrooms, kitchens, stairwells, and bay window setups, essentially anywhere that privacy and airflow are both needed.

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French Windows Explained

French windows work just like French doors but are full-length windows that open outward.

Paired together, they perform wonderfully and can be combined with sidelights to open up a wide opening with glass and natural light.

uPVC doors and Windows

uPVC Window Double Glazing in St Marys

There are good reasons why The Advanced Group focuses in uPVC frame materials.

Scottish weather dishes out everything at your windows. uPVC is built to handle it, durable, resilient to harsh, windy, wet conditions, and without the warping or rot worries that plague timber frames.

Additionally, uPVC provides the advantage of being low maintenance.

Simply wipe it down with soapy water and it can look fresh.

The big selling point? Energy performance. Our uPVC windows are built with multi-chambered uPVC, and some frames hit a U-value as low as 0.8 W/m2K. That recovers genuine energy performance to your home.

And you know the best news? uPVC double glazing is also the most cost-effective option going!

This means you can often fit premium-grade glazing without exceeding the budget. We also provide glazed uPVC doors, including uPVC doors, composite doors, and patio doors to match.

Top Energy Rating - Edinburgh

Energy Efficiency for St Marys Homes

Scotland is cold, wet, and windy for a good chunk of the year.

With weather like that, the energy rating of your windows makes a genuine difference to what you spend on heating and how cosy your house feels day to day!

The thermal performance of any window is measured by its U-value.

A lower U-value means less heat getting out through the glass and frame. Scottish building regulations currently require a maximum U-value of 1.6 W/m2K for replacement windows.

Our standard double glazed windows come in at 1.2 W/m2K, and our premium range can go as low as 0.8 W/m2K! That’s performance at twice the regulatory minimum!

You’ll notice the difference on your energy costs.

A-rated energy-efficient windows and doors feature argon gas filled sealed units and low-E glass coatings to push heat back into the room, all while letting natural light through.

Switching from old single-glazed sash windows or 1990s double glazing? Expect a clear drop in heating costs within the first winter.

There are loads of double glazing companies in St Marys supplying standard products, but not many can match the calibre of what we install.

Triple Glazing Aberdeen

Could You Consider Triple Glazing?

Our trusted installers are often asked about the triple glazing products we supply.

With an extra pane of glass, triple glazing offers stronger insulation and greater noise control.

Exposed spot? Up a hill? Facing north? Near a busy road or flight path? The Advanced Group will talk you through the advantages of triple glazing.

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0% APR Finance for New Windows

New windows are an significant spend. Paying for everything at once? Not always practical. We get that.

To help with this, we have available 0% APR and up to 4 years of interest free credit.

It means you get the windows you deserve and spread the cost of your new windows and doors in a way that works perfectly for you!

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The Advanced Group: St Marys’s Trusted Window Installer

Backed by 38 Years of Experience

Since 1988, we have been installing double glazing all over Scotland.

38 years of learning what lasts. Forming supplier relationships. Training fitters who take genuine pride in each job. Our experience is visible on every project we deliver.

15-Year Guarantee

Every window installation we carry out is backed by a 15-year guarantee, covering both the product and the workmanship.

Why is our guarantee better what the competition provide? Because we’re completely certain in the quality of our windows and the expertise of our installers!

If anything comes up, you can trust us to sort it straight.

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A Wide Choice of Windows and Doors

As Scotland’s premier provider of energy-efficient double glazing products, we carry an outstanding choice of styles, frames, colours, and finishes.

Visit our showroom. We’ll talk you through the full collection personally.

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Free Quote for New Windows in St Marys

If new windows or doors for your St Marys home are on your mind, The Advanced Group would be more than glad to help!

We’ll arrange a home survey when it fits you. Measure up. Talk through your possibilities. Give a written quote. No obligation. No pressure.

Want to see our selection in person before committing? Our showroom doors are open, pop in any time.

For your free quote or home survey, reach out to a member of our friendly team today.

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We fit thousands of homes every year, and customer service is at the heart of each and every job. Get in touch to see how we can fill your needs.

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